🧩 词语组成解析
[医]马鲛
sierra
[[si'erə]]
n. 呈齿状起伏的山脉
🗣️ 情景例句
Just relax.
不用紧张。
I want to extend my warmest welcome to all of you.
热烈欢迎大家。
Then, instead of spending maybe five hours typing the report again, you can print the new copy in one minute!
然后,你可以把新的文本在一分钟之内打印出来,而不是花5个小时重新把报告打一遍。